# SDR 2008UALA03112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2008
- Submitted: July 1, 2008
- Operation: Air carrier
- Aircraft: N364UA
- Make and model: Boeing 737322
- Aircraft serial: 24533
- Aircraft time: 54,313 hours, 32,027 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Switch
- Part number: 806002
- Condition: Faulty
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA03112

## Discrepancy

RTFL DUE TO GROUND MODE INDICATION.  FAULTY SENSOR SWITCH AND GROUND SENSOR.  REPLACED SENSOR SWITCH M990 AND GROUND SENSOR S105.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.